<template>
    <div class="app-container">
        <div class="search-container">
            <el-form ref="queryFormRef" :model="queryParams" :inline="true">
                <el-form-item label="关键字" prop="keywords">
                    <el-input v-model="queryParams.keywords" placeholder="部门名称" @keyup.enter="handleQuery" />
                </el-form-item>

                <el-form-item label="部门状态" prop="status">
                    <el-select v-model="queryParams.status" placeholder="全部" clearable class="!w-[100px]">
                        <el-option :value="1" label="正常" />
                        <el-option :value="0" label="禁用" />
                    </el-select>
                </el-form-item>
                <el-form-item>
                    <el-button class="filter-item" type="primary" @click="handleQuery">
                        <i-ep-search />
                        搜索
                    </el-button>
                    <el-button @click="resetQuery"> <i-ep-refresh />重置 </el-button>
                </el-form-item>
            </el-form>
        </div>

        <el-card shadow="never" class="table-container">
            <template #header>
                <el-button v-hasPerm="['sys:dept:add']" type="success"
                    @click="openDialog(0, undefined)"><i-ep-plus />新增</el-button>
                <el-button v-hasPerm="['sys:dept:delete']" type="danger" :disabled="ids.length === 0"
                    @click="handleDelete()"><i-ep-delete />删除
                </el-button>
            </template>

            <el-table v-loading="loading" :data="deptList" row-key="id" default-expand-all
                :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
                @selection-change="handleSelectionChange">
                <el-table-column type="selection" width="55" align="center" />
                <el-table-column prop="name" label="部门名称" min-width="200" />
                <el-table-column prop="status" label="状态" width="100">
                    <template #default="scope">
                        <el-tag v-if="scope.row.status == 1" type="success">正常</el-tag>
                        <el-tag v-else type="info">禁用</el-tag>
                    </template>
                </el-table-column>

                <el-table-column prop="sort" label="排序" width="100" />

                <el-table-column label="操作" fixed="right" align="left" width="200">
                    <template #default="scope">
                        <el-button v-hasPerm="['sys:dept:add']" type="primary" link size="small"
                            @click.stop="openDialog(scope.row.id, undefined)"><i-ep-plus />新增
                        </el-button>
                        <el-button v-hasPerm="['sys:dept:edit']" type="primary" link size="small"
                            @click.stop="openDialog(scope.row.parentId, scope.row.id)"><i-ep-edit />编辑
                        </el-button>
                        <el-button v-hasPerm="['sys:dept:delete']" type="primary" link size="small"
                            @click.stop="handleDelete(scope.row.id)">
                            <i-ep-delete />删除
                        </el-button>
                    </template>
                </el-table-column>
            </el-table>
        </el-card>

        <el-dialog v-model="dialog.visible" :title="dialog.title" width="600px" @closed="closeDialog">
            <el-form ref="deptFormRef" :model="formData" :rules="rules" label-width="80px">
                <el-form-item label="上级部门" prop="parentId">
                    <el-tree-select v-model="formData.parentId" placeholder="选择上级部门" :data="deptOptions" filterable
                        check-strictly :render-after-expand="false" />
                </el-form-item>
                <el-form-item label="部门名称" prop="name">
                    <el-input v-model="formData.name" placeholder="请输入部门名称" />
                </el-form-item>
                <el-form-item label="显示排序" prop="sort">
                    <el-input-number v-model="formData.sort" controls-position="right" style="width: 100px" :min="0" />
                </el-form-item>
                <el-form-item label="部门状态">
                    <el-radio-group v-model="formData.status">
                        <el-radio :label="1">正常</el-radio>
                        <el-radio :label="0">禁用</el-radio>
                    </el-radio-group>
                </el-form-item>
            </el-form>

            <template #footer>
                <div class="dialog-footer">
                    <el-button type="primary" @click="handleSubmit"> 确 定 </el-button>
                    <el-button @click="closeDialog"> 取 消 </el-button>
                </div>
            </template>
        </el-dialog>
    </div>
</template>

<script setup lang="ts">
import { ref, reactive } from 'vue'
import {
    getDeptForm,
    deleteDept,
    updateDept,
    addDept,
    getDeptOptions,
    listDepts,
} from "@/api/dept";
import { ElMessage, ElMessageBox } from "element-plus"
import { DeptVO, DeptForm, DeptQuery } from "@/api/dept/types";

defineOptions({
    name: "Dept",
    inheritAttrs: false,
});

const queryFormRef = ref(ElForm);
const deptFormRef = ref(ElForm);

const loading = ref(false);
const ids = ref<number[]>([]);
const dialog = reactive({
    title: "",
    visible: false,
});

const queryParams = reactive<DeptQuery>({});
const deptList = ref<DeptVO[]>();

const deptOptions = ref<OptionType[]>();

const formData = reactive<DeptForm>({
    status: 1,
    parentId: 0,
    sort: 1,
});

const rules = reactive({
    parentId: [{ required: true, message: "上级部门不能为空", trigger: "blur" }],
    name: [{ required: true, message: "部门名称不能为空", trigger: "blur" }],
    sort: [{ required: true, message: "显示排序不能为空", trigger: "blur" }],
});

/** 查询 */
function handleQuery() {
    loading.value = true;
    listDepts(queryParams).then(({ data }) => {
        deptList.value = data;
        loading.value = false;
    });
}

/**重置查询 */
function resetQuery() {
    queryFormRef.value.resetFields();
    handleQuery();
}

/** 行复选框选中记录选中ID集合 */
function handleSelectionChange(selection: any) {
    ids.value = selection.map((item: any) => item.id);
}

/** 获取部门下拉数据  */
async function loadDeptOptions() {
    getDeptOptions().then((response) => {
        deptOptions.value = [
            {
                value: 0,
                label: "顶级部门",
                children: response.data,
            },
        ];
    });
}

/**
 * 打开弹窗
 *
 * @param parentId 父部门ID
 * @param deptId 部门ID
 */
async function openDialog(parentId?: number, deptId?: number) {
    await loadDeptOptions();
    dialog.visible = true;
    if (deptId) {
        dialog.title = "修改部门";
        getDeptForm(deptId).then(({ data }) => {
            Object.assign(formData, data);
        });
    } else {
        dialog.title = "新增部门";
        formData.parentId = parentId ?? 0;
    }
}

/** 表单提交 */
function handleSubmit() {
    deptFormRef.value.validate((valid: any) => {
        if (valid) {
            const deptId = formData.id;
            loading.value = true;
            if (deptId) {
                updateDept(deptId, formData)
                    .then(() => {
                        ElMessage.success("修改成功");
                        closeDialog();
                        handleQuery();
                    })
                    .finally(() => (loading.value = false));
            } else {
                addDept(formData)
                    .then(() => {
                        ElMessage.success("新增成功");
                        closeDialog();
                        handleQuery();
                    })
                    .finally(() => (loading.value = false));
            }
        }
    });
}

/** 删除部门 */
function handleDelete(deptId?: number) {
    const deptIds = [deptId || ids.value].join(",");

    if (!deptIds) {
        ElMessage.warning("请勾选删除项");
        return;
    }

    ElMessageBox.confirm(`确认删除已选中的数据项?`, "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
    }).then(() => {
        deleteDept(deptIds).then(() => {
            ElMessage.success("删除成功");
            resetQuery();
        });
    });
}

/** 关闭弹窗 */
function closeDialog() {
    dialog.visible = false;
    resetForm();
}

/** 重置表单  */
function resetForm() {
    deptFormRef.value.resetFields();
    deptFormRef.value.clearValidate();

    formData.id = undefined;
    formData.parentId = 0;
    formData.status = 1;
    formData.sort = 1;
}

onMounted(() => {
    handleQuery();
});
</script>
